<template>
  <el-container class="main-container">
    <!-- 头部区域 -->
    <el-header>
      <!-- 左侧的 logo -->
      <img src="../../assets/images/logo.png" alt />
      <!-- 右侧的菜单 -->
      <el-menu
        class="el-menu-top"
        mode="horizontal"
        background-color="#23262E"
        text-color="#fff"
        active-text-color="#409EFF"
      >
        <el-submenu index="1">
          <template slot="title">
            <!-- 头像 -->
            <img src="../../assets/logo.png" alt class="avatar" />
            <span>个人中心</span>
          </template>
          <el-menu-item index="1-1">
            <i class="el-icon-s-operation"></i>基本资料
          </el-menu-item>
          <el-menu-item index="1-2">
            <i class="el-icon-camera"></i>更换头像
          </el-menu-item>
          <el-menu-item index="1-3">
            <i class="el-icon-key"></i>重置密码
          </el-menu-item>
        </el-submenu>
        <el-menu-item index="2" @click="logout">
          <i class="el-icon-switch-button"></i>退出
        </el-menu-item>
      </el-menu>
    </el-header>
    <el-container>
      <!-- 侧边栏区域 -->
      <el-aside width="200px">
        <!-- 顶部用户信息 头像 -->
        <div class="user-box">
          <!-- 动态绑定不行用这个../../assets/logo.png 路径 -->
          <img :src=" userInfo && userInfo.user_pic ? userInfo.user_pic : defAvatar" alt />
          <span>欢迎 {{userInfo && userInfo.username}}</span>
        </div>
        <!-- 左侧菜单 -->
        <el-menu
          default-active="1"
          class="el-menu-vertical-demo"
          background-color="#23262E"
          text-color="#fff"
          active-text-color="#409EFF"
          unique-opened
        >
          <!-- 不包含子菜单的“一级菜单” -->
          <el-menu-item index="1">
            <i class="el-icon-s-tools"></i>主页
          </el-menu-item>
          <!-- 包含子菜单的“一级菜单” -->
          <el-submenu index="2">
            <template slot="title">
              <i class="el-icon-s-tools"></i>
              <span>一级菜单</span>
            </template>
            <el-menu-item index="2-1">
              <i class="el-icon-star-on"></i>二级菜单
            </el-menu-item>
            <el-menu-item index="2-2">
              <i class="el-icon-star-on"></i>二级菜单
            </el-menu-item>
            <el-menu-item index="2-3">
              <i class="el-icon-star-on"></i>二级菜单
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-container>
        <!-- 页面主体区域 -->
        <el-main>Main.vue后台主页</el-main>
        <!-- 底部 footer 区域 -->
        <el-footer>© www.itheima.com - 黑马程序员</el-footer>
      </el-container>
    </el-container>
  </el-container>
</template>

<script>
import { mapState, mapActions } from 'vuex'
import defAvatar from '@/assets/logo.png'
export default {
  name: 'Main',
  data() {
    return {
      // 默认头像
      defAvatar,
    }
  },
  computed: {
    ...mapState(['userInfo']),
  },
  methods: {
    ...mapActions(['getUserInfo']),
    logout() {
      // 1.提示是否退出
      this.$confirm('确认退出吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(() => {
          // 确定退出
          this.$message({
            type: 'success',
            message: '退出成功!',
          })
          // 2.清除token  (将token值设置为空 '')
          this.$store.commit('updateToken', '')
          // 3.跳转路由
          this.$router.push('/login')
        })
        .catch(() => {
          // 取消
          this.$message({
            type: 'info',
            message: '已取消',
          })
        })
    },
  },
  created() {
    this.getUserInfo()
  },
}
</script>

<style lang="less" scoped>
.main-container {
  height: 100%;
  .el-header,
  .el-aside {
    background-color: #23262e;
    // 左侧边栏用户信息区域
    .user-box {
      height: 70px;
      display: flex;
      justify-content: center;
      align-items: center;
      border-top: 1px solid #000;
      border-bottom: 1px solid #000;
      user-select: none;
      img {
        width: 35px;
        height: 35px;
        border-radius: 50%;
        background-color: #fff;
        margin-right: 15px;
        object-fit: cover;
      }
      span {
        color: white;
        font-size: 12px;
      }
    }
  }
  .el-header {
    padding: 0;
    display: flex;
    justify-content: space-between;
  }
  .el-main {
    overflow-y: scroll;
    height: 0;
    background-color: #f2f2f2;
  }
  .el-footer {
    background-color: #eee;
    font-size: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
}

.avatar {
  border-radius: 50%;
  width: 35px;
  height: 35px;
  background-color: #fff;
  margin-right: 10px;
  object-fit: cover;
}
</style>
